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What does BSIB stand for?

BSIB stands for Birth Sibling (adoption)

This definition appears rarely and is found in the following Acronym Finder categories:

  • Organizations, NGOs, schools, universities, etc.

See other definitions of BSIB

Other Resources:
We have 4 other meanings of BSIB in our Acronym Attic

Samples in periodicals archive:

As far as I know I had three birth siblings, Yvette, Charlie and Lester.
Roderick would do best as the youngest or only child in a home and wishes to maintain contact with his birth siblings.